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EP 3 472 938 A1

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(43) Date of publication: 24.04.2019 Bulletin 2019/17 (21) Application number: 16731856.7 (22) Date of filing: 21.06.2016

(51) International Patent Classification (IPC):  H04B 1/04(2006.01) H04B 1/18(2006.01) H03F 3/21(2006.01) H04B 1/40(2015.01) H04W 88/08(2009.01) (86) International application number: PCT/EP2016/064308 (87) International publication number: WO 2017/220131 (28.12.2017 Gazette 2017/52)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: MA MD (71) Applicant: Telefonaktiebolaget LM Ericsson (PUBL) 164 83 Stockholm (SE)	(72) Inventor: GRANSTAM, Bo SE-42837 Kållered (SE) (74) Representative: Ericsson  Patent Development Torshamnsgatan 21-23 164 80 Stockholm 164 80 Stockholm (SE)